Module metadata 

Function and type level metadata for Rust to SQL translation

Like all of the sql_entity_graph APIs, this is considered internal to the pgrx framework and very subject to change between versions. While you may use this, please do it with caution.

Macros

impl_sql_translatable

Implements SqlTranslatable for a type with a fixed external SQL mapping.

Structs

FunctionMetadataEntity

FunctionMetadataTypeEntity

FunctionMetadataTypeResolutionEntity

Enums

ArgumentError

Returns

Describes the RETURNS of CREATE FUNCTION … RETURNS … See the PostgreSQL documentation for [CREATE FUNCTION] [CREATE FUNCTION]: https://www.postgresql.org/docs/current/sql-createfunction.html

ReturnsError

ReturnsRef

Const-friendly return metadata.

SqlArrayMapping

SqlArrayMappingRef

SqlMapping

Describes ways that Rust types are mapped into SQL

SqlMappingRef

Const-friendly SQL mapping metadata.

TypeOrigin

Describes whether a SQL type reference should resolve to schema emitted by this extension or be treated as an external SQL type.

Traits

FunctionMetadata

Provide SQL generation related information on functions

SqlTranslatable

A value which can be represented in SQL

Functions

array_argument_sql

array_return_sql

setof_return_sql

table_item_sql